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GB - Chinese national standards - Page 7695

Standards GB - Chinese national standards - Page 7695

Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level. Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document

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Preview GB 8703-1988 3.2.1988
GB 8703-1988 WITHDRAWN

Regulations for radiation protection

WITHDRAWN published on 3.2.1988

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Preview GB/T 8704.1-1997 17.3.1997
GB/T 8704.1-1997 WITHDRAWN

Methods for chemical analysis of ferrovandium The infrared absorption method and the gasometric method for the determination of carbon content

WITHDRAWN published on 17.3.1997

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Preview GB/T 8704.3-1997 17.3.1997
GB/T 8704.3-1997 WITHDRAWN

Methods for chemical analysis of ferrovanadium The infrared absorption method and the combustion-neutralization titration method for the determination of sulfur content

WITHDRAWN published on 17.3.1997

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Preview GB/T 8704.5-1994 26.9.1994
GB/T 8704.5-1994 WITHDRAWN

Methods for chemical analysis of ferrovanadium—The potentiometric method for the determination of vanadium content

WITHDRAWN published on 26.9.1994

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Preview GB/T 8704.5-2007 11.9.2007
GB/T 8704.5-2007 WITHDRAWN

Ferrovanadium—Determination of vanadium content—The ammonium ferrous sulfate titrimetric method and the potentiometric titrimetric method

WITHDRAWN published on 11.9.2007

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Preview GB/T 8704.6-1994 26.9.1994
GB/T 8704.6-1994 WITHDRAWN

Methods for chemical analysis of ferrovanadium—The sulphuric acid dehydration-gravimetric method for the determination of silicon content

WITHDRAWN published on 26.9.1994

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Preview GB/T 8704.6-2007 11.9.2007
GB/T 8704.6-2007 WITHDRAWN

Ferrovanadium—Determination of silicon content—The sulphuric acid dehydration gravimetric method

WITHDRAWN published on 11.9.2007

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Preview GB/T 8704.7-1994 26.9.1994
GB/T 8704.7-1994 WITHDRAWN

Methods for chemical analysis of ferrovanadium—The molybdenum blue photometric method for the determination of phosphorus content

WITHDRAWN published on 26.9.1994

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Preview GB/T 8704.8-1994 26.9.1994
GB/T 8704.8-1994 WITHDRAWN

Methods for chemical analysis of ferrovanadium—The chromazurol S photometric method and EDTA volumetric method for determination of aluminium content

WITHDRAWN published on 26.9.1994

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in 3 working days
Preview GB/T 8704.9-1994 26.9.1994
GB/T 8704.9-1994 WITHDRAWN

Methods for chemical analysis of ferrovanadium—The potassium periodate oxidation photometric method and flame atomic absorption spectrometric method for determination of manganese content

WITHDRAWN published on 26.9.1994

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